Which of the following tools would Joe use to determine which cable goes back to the correct network jack?

Joe, a technician, is tasked to install a new client machine. He notices the machine is not getting any network connectivity. He tests the network cable between the PC and the network jack and confirms it is good. Joe goes to the network closet and finds several network cables not connected to the switch.

Which of the following tools would Joe use to determine which cable goes back to the correct network jack?
A . Loopback plug
B . Toner probe
C . WiFi analyzer
D . Punchdown tool

Answer: B